This is a maintenance manual for Changhong liquid crystal TV LS07. It mainly introduces the specifications, features, components, signal flow analysis, typical fault repair process and examples, spare parts, and vulnerable parts of the LS07 liquid crystal TV.
This service manual provides detailed information for the Changhong LS07 LCD TV. It includes the product’s technical specifications, a description of the main integrated circuits, signal‑flow analysis, typical fault‑repair procedures, a complete parts list, and instructions for entering the factory‑mode parameter adjustment.
Appendices contain the full schematic, assembly drawing and wiring diagram for the LS07 chassis, giving technicians the necessary reference for diagnostics and repairs. This manual is written in Chinese.
| Resolution | 1024×768 (XGA) |
|---|---|
| Audio output power | 2×2.0 W |
| TV input voltage | DC 12 V |
| Power‑adapter input voltage | AC 110‑240 V, 50/60 Hz |
| Supported video inputs | AV (PAL/NTSC/SECAM), Y/C, YPbPr, VGA |
| Subtitle languages | Up to 32 languages |
Reduce the volume to 0, hold the remote’s mute key, then press the TV’s menu key to enter factory mode.
The TV can display up to 32 different subtitle languages.
The dedicated power‑adapter model is CHA‑1204.